<?xml version="1.0" encoding="UTF-8"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-10-27T17:03:17Z</responseDate><request identifier="IPPLV1B.001" metadataPrefix="dif" verb="GetRecord">http://nsidc.org/api/dataset/metadata/oai</request><GetRecord><record><header><identifier>oai:nsidc.org/IPPLV1B.001</identifier><datestamp>2026-09-10T20:22:03Z</datestamp><setSpec>v0_daac</setSpec><setSpec>v0_all</setSpec><setSpec>nasa_nsidc_daac</setSpec></header><metadata>
<DIF xmlns="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/ http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/dif_v9.7.1.xsd"><Entry_ID>IPPLV1B.001</Entry_ID><Entry_Title>IceBridge LVIS POS/AV L1B Corrected Position and Attitude Data</Entry_Title><Data_Set_Citation><Dataset_Creator>Brooks, C., Beckley, M., Blair, J. B. &amp; Hofton, M.</Dataset_Creator><Dataset_Title>IceBridge LVIS POS/AV L1B Corrected Position and Attitude Data</Dataset_Title><Dataset_Release_Date>2012-11-05</Dataset_Release_Date><Dataset_Release_Place>Boulder, Colorado USA</Dataset_Release_Place><Dataset_Publisher>NASA NSIDC DAAC: NASA National Snow and Ice Data Center Distributed Active Archive Center</Dataset_Publisher><Version>1</Version><Other_Citation_Details><Invert_Citation_Order>false</Invert_Citation_Order></Other_Citation_Details><Dataset_DOI>10.5067/2NWNMDSG5EPJ</Dataset_DOI><Online_Resource>https://doi.org/10.5067/2NWNMDSG5EPJ</Online_Resource><Dataset_Series_Name>IPPLV1B</Dataset_Series_Name></Data_Set_Citation><Personnel><Role>Technical Contact</Role><First_Name>NSIDC</First_Name><Last_Name>User Services</Last_Name><Email>nsidc@nsidc.org</Email><Phone>1-303-492-6199</Phone><Fax>1-303-492-2468</Fax><Contact_Address><Address>CIRES, 449 UCB</Address><Address>University of Colorado</Address><City>Boulder</City><Province_or_State>CO</Province_or_State><Postal_Code>80309-0449</Postal_Code><Country>USA</Country></Contact_Address></Personnel><Parameters><Category>EARTH SCIENCE</Category><Topic>SPECTRAL/ENGINEERING</Topic><Term>PLATFORM CHARACTERISTICS</Term><Variable_Level_1>ATTITUDE CHARACTERISTICS</Variable_Level_1><Variable_Level_2> </Variable_Level_2><Variable_Level_3> </Variable_Level_3><Detailed_Variable> </Detailed_Variable></Parameters><ISO_Topic_Category>Geoscientific Information</ISO_Topic_Category><Keyword>IB Position &#x2013;Attitude-GPS-IMU-project</Keyword><Keyword>IceBridge</Keyword><Keyword>IceBridge-project</Keyword><Sensor_Name><Short_Name>LVIS</Short_Name><Long_Name>Land, Vegetation, and Ice Sensor</Long_Name></Sensor_Name><Source_Name><Short_Name>B-200</Short_Name><Long_Name>Beechcraft King Air B-200</Long_Name></Source_Name><Source_Name><Short_Name>G-V</Short_Name><Long_Name>Gulfstream V</Long_Name></Source_Name><Source_Name><Short_Name>HU-25C</Short_Name><Long_Name>Dassault HU-25C Guardian</Long_Name></Source_Name><Temporal_Coverage><Start_Date>2011-04-15</Start_Date><Stop_Date>2014-10-04</Stop_Date></Temporal_Coverage><Data_Set_Progress>complete</Data_Set_Progress><Spatial_Coverage><Southernmost_Latitude>72</Southernmost_Latitude><Northernmost_Latitude>75</Northernmost_Latitude><Westernmost_Longitude>-160</Westernmost_Longitude><Easternmost_Longitude>-140</Easternmost_Longitude></Spatial_Coverage><Spatial_Coverage><Southernmost_Latitude>-90</Southernmost_Latitude><Northernmost_Latitude>-53</Northernmost_Latitude><Westernmost_Longitude>-180</Westernmost_Longitude><Easternmost_Longitude>180</Easternmost_Longitude></Spatial_Coverage><Spatial_Coverage><Southernmost_Latitude>60</Southernmost_Latitude><Northernmost_Latitude>90</Northernmost_Latitude><Westernmost_Longitude>-180</Westernmost_Longitude><Easternmost_Longitude>180</Easternmost_Longitude></Spatial_Coverage><Location><Location_Category>CONTINENT</Location_Category><Location_Type>ANTARCTICA</Location_Type></Location><Location><Location_Category>CONTINENT</Location_Category><Location_Type>NORTH AMERICA</Location_Type><Location_Subregion1>UNITED STATES OF AMERICA</Location_Subregion1><Location_Subregion2>ALASKA</Location_Subregion2></Location><Location><Location_Category>CONTINENT</Location_Category><Location_Type>NORTH AMERICA</Location_Type><Location_Subregion1>GREENLAND</Location_Subregion1></Location><Data_Resolution><Latitude_Resolution>Varies</Latitude_Resolution><Longitude_Resolution>Varies</Longitude_Resolution><Temporal_Resolution>Varies</Temporal_Resolution></Data_Resolution><Project><Short_Name>OIB</Short_Name><Long_Name>Operation Ice Bridge</Long_Name></Project><Access_Constraints>These data are freely, openly, and fully accessible, provided that you are logged into your NASA Earthdata profile (https://urs.earthdata.nasa.gov/).</Access_Constraints><Use_Constraints>These data are freely, openly, and fully available to use without restrictions, provided that you cite the data according to the recommended citation at https://nsidc.org/about/use_copyright.html. For more information on the NASA EOSDIS Data Use Policy, see https://earthdata.nasa.gov/earth-observation-data/data-use-policy.</Use_Constraints><Data_Set_Language>English</Data_Set_Language><Originating_Center>NASA/GSFC/SED/ESD/LRSL</Originating_Center><Data_Center><Data_Center_Name><Short_Name>NASA NSIDC DAAC</Short_Name><Long_Name>NASA National Snow and Ice Data Center Distributed Active Archive Center</Long_Name></Data_Center_Name><Data_Center_URL>https://nsidc.org/daac</Data_Center_URL><Personnel><Role>Data Center Contact</Role><First_Name>NSIDC</First_Name><Last_Name>User Services</Last_Name><Email>nsidc@nsidc.org</Email><Phone>1-303-492-6199</Phone><Contact_Address><Address>National Snow and Ice Data Center</Address><Address>CIRES, 449 UCB</Address><Address>University of Colorado</Address><City>Boulder</City><Province_or_State>CO</Province_or_State><Postal_Code>80309-0449</Postal_Code><Country>USA</Country></Contact_Address></Personnel></Data_Center><Distribution><Distribution_Media>HTTPS</Distribution_Media><Distribution_Format>Binary</Distribution_Format></Distribution><Reference/><Summary><Abstract>This data set contains georeferencing data from the Applanix 510 and 610 POS AV systems flown with the Land, Vegetation, and Ice Sensor (LVIS) over Greenland, Antarctica, and Alaska.  The data were collected as part of Operation IceBridge funded campaigns, including the Arctic Radiation - IceBridge Sea and Ice Experiment (ARISE).</Abstract></Summary><Related_URL><URL_Content_Type><Type>VIEW RELATED INFORMATION</Type></URL_Content_Type><URL>https://doi.org/10.5067/2NWNMDSG5EPJ</URL><Description>User's Guide</Description></Related_URL><Related_URL><URL_Content_Type><Type>GET DATA</Type></URL_Content_Type><URL>https://daacdata.apps.nsidc.org/pub/DATASETS/ICEBRIDGE/IPPLV1B_LVISgpsImuCorrected_v01/</URL><Description>HTTPS</Description></Related_URL><Related_URL><URL_Content_Type><Type>VIEW RELATED INFORMATION</Type></URL_Content_Type><URL>https://nsidc.org/data/icebridge</URL><Description>IceBridge Product Website</Description></Related_URL><Related_URL><URL_Content_Type><Type>PROJECT HOME PAGE</Type></URL_Content_Type><URL>http://lvis.gsfc.nasa.gov/</URL><Description>Goddard Space Flight Center Land, Vegetation, and Ice Sensor (LVIS) Web Site</Description></Related_URL><Related_URL><URL_Content_Type><Type>PROJECT HOME PAGE</Type></URL_Content_Type><URL>https://science.nasa.gov/mission/icebridge/</URL><Description>NASA IceBridge Mission Website</Description></Related_URL><Metadata_Name>CEOS IDN DIF</Metadata_Name><Metadata_Version>VERSION 9.9</Metadata_Version><DIF_Creation_Date>2012-11-05</DIF_Creation_Date><Last_DIF_Revision_Date>2026-09-10</Last_DIF_Revision_Date><Extended_Metadata><Metadata><Group>NSIDC</Group><Name>Version Summary</Name><Value>Initial release</Value></Metadata><Metadata><Group>NSIDC</Group><Name>Minor Version</Name><Value/></Metadata><Metadata><Group>NSIDC</Group><Name>Update Frequency</Name><Value>updated 2015</Value></Metadata><Metadata><Group>NSIDC</Group><Name>Current Version</Name><Value>1</Value></Metadata><Metadata><Group>NSIDC</Group><Name>Spatial Reference Systems</Name><Value><Spatial_Reference_System><SRID>N/A</SRID><Description>N/A</Description></Spatial_Reference_System></Value></Metadata><Metadata><Group>NSIDC</Group><Name>Level of Service</Name><Value><Level>Basic</Level></Value></Metadata><Metadata><Group>NSIDC</Group><Name>Full Dataset Citation</Name><Value>Brooks, C., Beckley, M., Blair, J. 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